Integer Profile

1,916,978

2 × 7^2 × 31 × 631

Prime factors, divisor sums, positional representations and sequence properties for 1,916,978. The prime factorization is 2 × 7^2 × 31 × 631.

Number of positive divisors: 24. Showing the recorded part of the sequence: 308.

DeficientEvenComposite

Collatz trajectory (308 steps)

Even: n → n/2; Odd: n → 3n + 1

1,916,978958,4892,875,4681,437,734718,8672,156,6021,078,3013,234,9041,617,452808,726404,3631,213,090606,5451,819,636909,818454,9091,364,728682,364341,182170,591511,774255,887767,662383,8311,151,494575,7471,727,242863,6212,590,8641,295,432647,716323,858161,929485,788242,894121,447364,342182,171546,514273,257819,772409,886204,943614,830307,415922,246461,1231,383,370691,6852,075,0561,037,528518,764259,382129,691389,074194,537583,612291,806145,903437,710

Showing 60 of 60.

Prime factorization

Factorization: 2 × 7^2 × 31 × 631
Distinct prime factors: 4
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 24
Divisor sum: 3,458,304
Proper-divisor sum: 1,541,326
Digit sum: 41
Digital root: 5

Number bases

Decimal: 1916978
Binary: 111010100000000110010 (21 bits)
Octal: 0o7240062
Hexadecimal: 0x1D4032

Divisor catalog (24)

12714314962982174346311,2621,5193,0384,4178,83419,56130,91939,12261,838136,927273,854958,4891,916,978

Showing 24 of 24.